const num_steps = 1;

_.forEach(_.range(num_steps), function(value) {
  $('#step-' + (value+1) + ' form').submit(function(event) {
    $('#step-' + (value+2) ).collapse('show');
    $('#step-' + (value+1) + '-heading .step-number').addClass('done');
    event.preventDefault();
  });
});

function gen() {
  var model = {};
  _.forEach(_.range(num_steps), function(value) {
    _.each($('#step-' + (value + 1) + ' form').serializeArray(), function(value) {
      model[value.name] = value.value;
    });
  });
  var docDefinition = {
    content: [
      { text: 'Mitgliedsantrag FabLab Neustadt Aisch/Bad Winsheim', fontSize: 20, margin: [0,0,0,20] },
      {
        text: [
          'Name: ',
          { text: model.givenname + ' ' + model.surname, bold: true },
        ]
      },
      {
        text: [
          'Adresse: ',
          { text: model.address, bold: true },
        ]
      },
      {
        text: [
          'PLZ + Ort: ',
          { text: model.zip + ' ' + model.place, bold: true },
        ]
      }
    ],
    pageSize: 'A4',
    pageMargins: [ 62.3622, 60, 62.3622, 60 ]
  };

  pdfMake.createPdf(docDefinition).download('Mitgliedsantrag FabLab NEA.pdf');
}